Home / 14,948,081.28-20,628,352.56-8,072,563.44

Finding the Fourth Proportional to 14,948,081.28, 20,628,352.56 and 8,072,563.44

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Solution

The fourth proportional to 14,948,081.28, 20,628,352.56 and 8,072,563.44 is: 11,140,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948,081.28 : 20,628,352.56 = 8,072,563.44 : x
  2. Step 2: Convert to fraction form
    14,948,081.28/20,628,352.56 = 8,072,563.44/x
  3. Step 3: Cross multiply
    14,948,081.28x = 20,628,352.56 × 8,072,563.44
  4. Step 4: Simplify right side
    14,948,081.28x = 166,523,684,703,286.41
  5. Step 5: Solve for x
    x = 166,523,684,703,286.41/14,948,081.28
  6. Step 6: Final answer
    x = 11,140,137.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.